Because Draglade 2 never left Japan, the only way to play the English version is via a patched ROM. This article does not provide ROMs, but the process is standard:
For the uninitiated, the Draglade series is distinct. It looks like a fighter, plays like a side-scroller, and feels like a rhythm game. Players attack to the beat, building up a "Groove" meter to unleash devastating musical combos. Draglade 2 refined this formula, introducing a darker story, new characters, and deeper customization systems that allowed players to craft their own fighting styles.
Romhacking.net: This is the primary hub for checking if a new, more complete version of the English patch has been released.
: The sequel introduced a larger roster and polished the 2.5D fighting plane, making it a "hidden gem" for DS collectors. Playing Today If you are looking to dive in despite the language barrier: Original Hardware